CLAS Physics Database

Measurement E216M196

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π)))
Q2: 2.4 — 3.0 GeV2
W: 1.75 — 1.8 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 2.18038 0.263988
27.0 2.40489 0.0737661
45.0 2.579 0.0757865
63.0 2.62566 0.0802806
81.0 2.2902 0.0422716
99.0 2.1837 0.0488549
117.0 1.96332 0.0407594
135.0 1.91999 0.0583215
153.0 2.22815 0.084306
171.0 2.72578 0.132763